Jeremy Clarkson, Richard Hammond and James May attempt to find a trio of cars which are equally at home on the race track as they are at transporting a family to the shops, all for a budget of 5,000 pounds. Plus James makes a rare visit to the Top Gear track to test a pair of Porsches, the 911 Sport Classic and Boxster Spyder, and Alastair Campbell is the star in the all new Reasonably Priced Car.